Fluid sprinkling – spraying – and diffusing – With heating or cooling means for the system or system fluid – In terminal element
Patent
1993-03-25
1994-09-13
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
With heating or cooling means for the system or system fluid
In terminal element
2394193, 2394275, B05B 700
Patent
active
053461339
ABSTRACT:
A feed line to a pyrolysis furnace and a liquid injection apparatus for introducing a liquid coke inhibitor in the feed line are disclosed. The injection apparatus includes a central passageway for supplying the liquid coke inhibitor, an annular passageway for delivering an atomizing gas and a mixing reservoir for mixing the liquid and gas wherein the mixed fluid is atomized by passage through an orifice in a nozzle. A cooling jacket surrounding the annular passageway prevents decomposition of the coke inhibiting agent which products can plug the nozzle. The injection apparatus is typically installed in a bend of a process feedstock conduit with a discharge end aligned to an axis of the flow. A hot injection point close to the inlet of the pyrolysis furnace is preferred for best results. To help ensure complete evaporation of a carrier liquid prior to the furnace, the injection apparatus can include an evaporation shroud. For a modularized injection system, the evaporation shroud can include a larger diameter bonnet exterior to the conduit having the injection apparatus attached thereto. For a retractable injection system, the injection apparatus is received within an isolation valve having an outlet end stuffing box.
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Bogner Alan E.
Cherish Peter
Schamp Scott T.
Kashnikow Andres
Morris Lesley D.
The M. W. Kellogg Company
Ward John P.
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